Garrett Community Mausoleum is a historic mausoleum located in Calvary Cemetery at Garrett, DeKalb County, Indiana. It was built in 1922, and is a one-story, cubic granite structure with simple Classical Revival style detail. It measures 30 feet wide and 42 feet deep. The mausoleum was largely used for interments into the 1950s, with the most recent in 1999.It was added to the National Register of Historic Places in 2014.